CN107985019A - A kind of water-warming heater with ground structure - Google Patents
A kind of water-warming heater with ground structure Download PDFInfo
- Publication number
- CN107985019A CN107985019A CN201711388595.2A CN201711388595A CN107985019A CN 107985019 A CN107985019 A CN 107985019A CN 201711388595 A CN201711388595 A CN 201711388595A CN 107985019 A CN107985019 A CN 107985019A
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- CN
- China
- Prior art keywords
- water
- heat
- foot
- metallic conductor
- metal sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/004—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for vehicles having a combustion engine and electric drive means, e.g. hybrid electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
- F24D13/04—Electric heating systems using electric heating of heat-transfer fluid in separate units of the system
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
- Surface Heating Bodies (AREA)
- Resistance Heating (AREA)
Abstract
The invention discloses a kind of water-warming heater with ground structure, including water heater body, heat-dissipating metal sheet, electric-controlled plate, shell, the upper surface of heat-dissipating metal sheet is contacted with electric-controlled plate, lower surface and the water heater body contacts of heat-dissipating metal sheet；Shell includes the bottom of isolation material and side wall, inside sidewalls are equipped with cylindrical foot, and installation foot is extended in the outside side in bottom, and cylindrical foot is metal material, and the internal layer of installation foot is the inner layer contacts of metal material, cylindrical foot and installation foot；A metallic conductor is further included, one end of metallic conductor is connected with heat-dissipating metal sheet, and the other end of metallic conductor is connected with cylindrical foot.The present invention cleverly make use of the presence of heat-dissipating metal sheet, installation foot, the structure of water-warming heater need not be changed, manufacture also easily, succinctly, it is very suitable for the PTC water-warming heaters of similar cisten mechanism, do not increase small product size, and appearance looks elegant, ground connection, assembling are more convenient, and use is more convenient.
Description
Technical field
Present invention design new-energy automobile field, more particularly to a kind of new-energy automobile PTC water-warming heaters.
Background technology
The problem of to tackle the contradiction of the fuel oil supply and demand to become increasingly conspicuous and environmental pollution, countries in the world are promoting new energy
The development of automobile.The waste heat of one straight grip engine of orthodox car depends on the engine of automobile as heating heat source, this mode,
That is the heating of in-car could be implemented in the state of engine work.In addition, the efficiency of this heating system is very
It is low, need 6-10min to heat after starting engine in the winter time.But electric automobile does not have engine, hybrid vehicle
In-car is also required to heat when to stall.
At present, the distinctive positive temperature coefficient resistivity-temperature characteristics of PTC ceramics, it has temperature automatically controlled, and temperature is with voltage fluctuation shadow
Ring the excellent electrical property such as small and will not burn and the flames of anger, service life length etc. security feature.Made by PTC ceramics
Ptc heater is a kind of preferable heating unit, it not only solves heating inside electric automobile under cryogenic well
With the required heat source of wind screen defrosting, moreover it is possible to relatively low in environment temperature applied to the heat management system of power battery
When power battery is heated, and since its excellent insulation performance ensure that the security performance of electric automobile.
Electric automobile heating ptc heater has wind to warm up two kinds of hot-water heating, PTC water-warming heaters, using PTC heating elements as
Fever core, is fabricated to PTC heating tubes, dedicated aluminium alloy heat carrier is inserted into, by heating and anti-freezing liquid, via evaporator
Warm wind is provided to in-car, warm wind is soft comfortable, and temperature stabilization is moderate, safe to use, energy-efficient.In addition, PTC water heaters are also
Available for electric automobile power battery heat management system, heated by heating and anti-freezing liquid to battery.
The ptc heater use environment used in electric automobile field has following features, first, operating voltage is high, at least exists
More than 320V, generally in 320VDC-750VDC；Second, the voltage of electric automobile is not constant in operation, but with
The loss of electricity in operation and decline；Three be due to that automobile is big in outdoor application, the change of temperature in four seasons and humidity；Fourth, this
Heater is installed in automobile and uses, and needs more preferable anti-shake performance, and the requirement higher to service life, need to reach 10 years with
On；Fifth, in order to ensure that electric automobile is paddling, meeting with rainwater or the partly security performance of the extreme environment such as immersed, it is desirable to
The dust-proof water performance of ptc heater is preferably up to IP67, avoids causing in-car or car periphery personnel the unexpected injury of electric shock；Six
The PTC water-warming heaters of existing widely used similar Germany Ai Beihe structures currently on the market, structure is as follows, PTC heating cores
Be inserted into die casting aluminium groove (as heat conduction sink), aluminium groove is placed in plastic shell, water (anti-icing fluid) plastic shell and aluminium groove it
Between flow, PTC heating cores are transmitted to heat in water (anti-icing fluid) by heating aluminium groove.The earthing mode of this structure is simpler
It is single, an ear (die cast together) can be stretched out on die casting aluminium groove and is directly grounded to plastics upper and lower covers outside.Another kind knot
Structure is to be made of using the liquid container of similar cisten mechanism, liquid container some flat tube gap arrangements, and flat tube both ends are by afflux
Pipe forms fluid inlet line and outlet conduit, and PTC heating tubes and support chip are inserted in the gap between flat tube and flat tube, this
The ground connection of structure is relatively difficult.
The content of the invention
Goal of the invention：In order to solve the problems, such as that the PTC water-warming heaters of similar cisten mechanism are grounded, the present invention provides a kind of
Water-warming heater with ground structure.
Technical solution：A kind of water-warming heater with ground structure, including water heater body, heat-dissipating metal sheet, electricity
Plate, shell, metallic conductor are controlled, the upper surface of heat-dissipating metal sheet is contacted with electric-controlled plate, and lower surface and the water of heat-dissipating metal sheet heat
Device body contacts；Shell includes the bottom of isolation material and side wall, inside sidewalls are equipped with cylindrical foot, and the outside side in bottom is prolonged
Stretch out installation foot, cylindrical foot is metal material, and the internal layer of installation foot is metal material, cylindrical foot and installation foot it is interior
Layer contact；One end of metallic conductor is connected with heat-dissipating metal sheet, and the other end of metallic conductor is connected with cylindrical foot.
Preferably, the side of the heat-dissipating metal sheet is provided with threaded hole, and one end of metallic conductor is installed on spiral shell by screw
On pit.Threaded hole is located at metallic heat radiating plate side, does not influence metallic heat radiating plate and is bonded with electric-controlled plate and water heater body.
Preferably, the metallic conductor is strip；External screw thread, metallic conductor and cylinder are arranged at the top of cylindrical foot
Leg connection one end be provided with through hole, the through hole be more than cylindrical foot cross-sectional diameter, by nut by metallic conductor with
Cylindrical foot is fixed.
Preferably, the metallic conductor is conductor wire.Strip metallic conductor can be used, conductor wire can also be used,
It can play the role of ground connection.
Preferably, the installation foot is provided with through hole, and through-hole wall is metal material, is also connected in installation foot embedded with metal
Section, metal linkage section one end connection through-hole wall, other end connecting cylinder shape leg.Through hole conveniently installs the water-warming heater,
And ground connection can be directly led out from through hole.
Preferably, the lower part of cylindrical foot is embedded in side wall of outer shell, and side wall of outer shell is plastic material.Cylindrical foot is
Metal material, shell are isolation material in itself, and generally plastics, cylindrical foot are embedded in side wall of outer shell, can make shell
It is firmer.
Preferably, water heater body includes the multiple heating components being vertically arranged, and each heating component includes a PTC
Heating core and two fluid passages, two fluid passages are located at PTC heating cores both sides respectively, and fluid passage is flat metal tube, PTC
Heating core includes PTC ceramic element, metal electrode film, insulation material layer, aluminum pipe, and the insulation material layer wraps PTC ceramics
Element and metal electrode film, aluminum pipe are included in outside insulation material layer；Heat transfer sheet is further included, heat transfer sheet is located at adjacent two
Between heating component.
Preferably, water heater body further includes liquid feeding end, and liquid feeding end is located at one end of fluid passage, and liquid feeding end separates more
A branch is connected with multiple fluid passages, and liquid feeding end is metal material, and heat-dissipating metal sheet passes through welding or mechanical means and feed liquor
End is fixed.Liquid feeding end, fluid passage, the outer layer of PTC heating cores are metal material, therefore the metal drawn on heat-dissipating metal sheet
Conductor can be regarded as directly contacting with PTC heating cores.
Preferably, there is igbt transistor on the electric-controlled plate, the heat-dissipating metal sheet is close to igbt transistor.Electric-controlled plate
Heat dissipation be mainly igbt transistor heat dissipation.
Preferably, the heat-dissipating metal sheet is aluminium sheet or copper coin.
Beneficial effect：A kind of water-warming heater with ground structure provided by the invention, by PTC heating cores and outside
The problem of increasing a path between installation foot on shell, PTC heating cores are grounded, is converted into the installation foot ground connection of outer side
The problem of, the presence of heat-dissipating metal sheet, installation foot is cleverly make use of, without changing the structure of water-warming heater, is manufactured
Also easily, succinctly, it is very suitable for the PTC water-warming heaters of similar cisten mechanism.Metallic conductor is threadedly connected to
On heat-dissipating metal sheet, connection is reliable, contact resistance is small, and anti-vibration resistance is good；Installation foot itself is exactly existing, and user can be direct
Installation foot is grounded, does not increase small product size, and appearance looks elegant, ground connection, assembling are more convenient, and use is more convenient.
Brief description of the drawings
Fig. 1 is the structure diagram of the water-warming heater with ground structure；
Fig. 2 is the sectional view of the water-warming heater with ground structure.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As illustrated in fig. 1 and 2, the water-warming heater with ground structure, including water heater body 1, heat-dissipating metal sheet 2,
Electric-controlled plate (above heat-dissipating metal sheet, being not drawn into), shell 3, metallic conductor 4.The upper surface of heat-dissipating metal sheet 2 connects with electric-controlled plate
Touch, have igbt transistor on the electric-controlled plate, the heat-dissipating metal sheet 2 is close to igbt transistor, and the heat dissipation of electric-controlled plate is main
It is the heat dissipation of igbt transistor, so heat-dissipating metal sheet 2 plays the role of radiating to igbt transistor, the present embodiment dissipates
Thermometal plate 2 is aluminium sheet or copper coin or the good metal material of other thermal conductivities.
The lower surface of heat-dissipating metal sheet 2 is contacted with water heater body 1, and water heater body 1 includes being vertically arranged more
A heating component, each heating component include a PTC heating core 11 and two fluid passages 12, and two fluid passages 12 are distinguished
Positioned at 11 both sides of PTC heating cores, fluid passage 12 is flat metal tube, and PTC heating cores 11 include PTC ceramic element, metal electrode
Piece, insulation material layer, aluminum pipe, the insulation material layer wrap PTC ceramic element and metal electrode film, and aluminum pipe is included in insulation
Outside material layer；Heat transfer sheet 13 is further included, heat transfer sheet 13 only increases between two adjacent heating components in the present embodiment
Two heat transfer sheets 13 are added, two heat transfer sheets 13 are distinguished beside two heating components on the outermost side, can be according to need
Design the number of heat transfer sheet 13.Water heater body 1 further includes liquid feeding end (being blocked, be not drawn into), and liquid feeding end is located at liquid
One end of body passage 12, liquid feeding end separate multiple branches and are connected with multiple fluid passages 12, and liquid feeding end is metal material.It is heated
Liquid from liquid feeding end enter, separately flow into multiple fluid passages 12, PTC heating cores 11 are located at 12 both sides of fluid passage, to liquid
Body is heated.
Heat-dissipating metal sheet 2 is fixed by welding or mechanical means with liquid feeding end.Heat-dissipating metal sheet 2, liquid feeding end, fluid passage
12nd, the outer layer of PTC heating cores 11 is metal material, and it is a path that can be seen as.So the effect of heat-dissipating metal sheet 2 is not only
It is heat dissipation, the conductor being also used as between connection metallic conductor 4 and PTC heating cores 11.
Shell 3 includes bottom 31 and the side wall 32 of isolation material, uses plastic material to make shell, side wall in the present embodiment
32 inner sides are equipped with cylindrical foot 5, and cylindrical foot 5 is metal material, and installation foot 6 is extended in 31 outside side of outer casing bottom,
The internal layer of installation foot 6 is metal material, and the installation foot 6 is provided with through hole 61, and through-hole wall is metal material, can be in through-hole wall
If internal thread to install, is also embedded with metal linkage section 62 in installation foot 6,62 one end of metal linkage section connects through-hole wall, separately
One end connecting cylinder shape leg 5.Through hole 61 has internal thread, is easily installed the water-warming heater, is also convenient for directly drawing from through hole 61
Go out ground connection.
Metallic conductor 4 is strip, and the side of the heat-dissipating metal sheet 2 is provided with threaded hole, and one end of metallic conductor 4 passes through
Screw 7 is installed on threaded hole.Threaded hole is located at 2 side of heat-dissipating metal sheet, does not influence heat-dissipating metal sheet 2 and electric-controlled plate and water
Heater body 1 is bonded.The other end of metallic conductor 4 is connected with cylindrical foot 5, and external screw thread is arranged at the top of cylindrical foot 5,
Metallic conductor 4 is provided with through hole with one end that cylindrical foot 5 is connected, which is more than the cross-sectional diameter of cylindrical foot 5, leads to
Nut 8 is crossed to fix metallic conductor 4 and cylindrical foot 5.The lower part of cylindrical foot 4 is embedded in side wall of outer shell 32, is only leaked
Go out the external screw thread of upper end, neither influence connection metallic conductor 4, side wall of outer shell 32 can also be made firmer.
The metallic conductor 4 of the strip can also be replaced with conductor wire, can play the role of ground connection.
In ground connection, directly installation foot 6 is grounded, simple to operate, appearance looks elegant.
Claims (10)
1. a kind of water-warming heater with ground structure, it is characterised in that including water heater body (1), heat-dissipating metal sheet
(2), electric-controlled plate, shell (3), metallic conductor (4), the upper surface of heat-dissipating metal sheet (2) are contacted with electric-controlled plate, heat-dissipating metal sheet
(2) lower surface is contacted with water heater body (1)；Shell (3) includes bottom (31) and the side wall (32) of isolation material, side wall
(32) inner side is equipped with cylindrical foot (5), and bottom (31) outwards extend installation foot (6) in side, and cylindrical foot (5) is metal
Material, the internal layer of installation foot (6) is metal material, cylindrical foot (5) and the inner layer contacts of installation foot (6)；Metallic conductor (4)
One end be connected with heat-dissipating metal sheet (2), the other end of metallic conductor (4) is connected with cylindrical foot (5).
2. the water-warming heater according to claim 1 with ground structure, it is characterised in that the heat-dissipating metal sheet
(2) side is provided with threaded hole, and one end of metallic conductor (4) is installed on threaded hole by screw (7).
3. the water-warming heater according to claim 1 or 2 with ground structure, it is characterised in that the metallic conductor
(4) it is strip；External screw thread, one end that metallic conductor (4) is connected with cylindrical foot (5) are arranged at the top of cylindrical foot (5)
Be provided with through hole, the through hole be more than cylindrical foot (5) cross-sectional diameter, by nut (8) by metallic conductor (4) with cylinder
Leg (5) is fixed.
4. the water-warming heater according to claim 1 or 2 with ground structure, it is characterised in that the metallic conductor
(4) it is conductor wire.
5. the water-warming heater according to claim 1 or 2 with ground structure, it is characterised in that the installation foot (6)
Through hole (61) is provided with, through-hole wall is metal material, and metal linkage section (62), metal linkage section are also embedded with installation foot (6)
(62) one end connection through-hole wall, other end connecting cylinder shape leg (5).
6. the water-warming heater according to claim 1 or 2 with ground structure, it is characterised in that cylindrical foot (5)
Lower part be embedded in side wall of outer shell (32) in, side wall of outer shell (32) is plastic material.
7. the water-warming heater according to claim 1 or 2 with ground structure, it is characterised in that water heater body
(1) the multiple heating components being vertically arranged are included, each heating component includes a PTC heating core (11) and two fluid passages
(12), two fluid passages (12) are located at PTC heating cores (11) both sides respectively, and fluid passage (12) is flat metal tube, and PTC is heated
Core (11) includes PTC ceramic element, metal electrode film, insulation material layer, aluminum pipe, and the insulation material layer wraps PTC ceramics
Element and metal electrode film, aluminum pipe are included in outside insulation material layer；Heat transfer sheet (13) is further included, heat transfer sheet (13) is located at phase
Between two adjacent heating components.
8. the water-warming heater according to claim 7 with ground structure, it is characterised in that water heater body (1)
Liquid feeding end is further included, liquid feeding end is located at one end of fluid passage (12), and liquid feeding end separates multiple branches and multiple fluid passages
(12) connect, liquid feeding end is metal material, and heat-dissipating metal sheet (2) is fixed by welding or mechanical means with liquid feeding end.
9. the water-warming heater according to claim 1 or 2 with ground structure, it is characterised in that on the electric-controlled plate
There is igbt transistor, the heat-dissipating metal sheet (2) is close to igbt transistor.
10. the water-warming heater according to claim 1 or 2 with ground structure, it is characterised in that the heat radiating metal
Plate (2) is aluminium sheet or copper coin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711388595.2A CN107985019A (en) | 2017-12-21 | 2017-12-21 | A kind of water-warming heater with ground structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711388595.2A CN107985019A (en) | 2017-12-21 | 2017-12-21 | A kind of water-warming heater with ground structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107985019A true CN107985019A (en) | 2018-05-04 |
Family
ID=62039272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711388595.2A Withdrawn CN107985019A (en) | 2017-12-21 | 2017-12-21 | A kind of water-warming heater with ground structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107985019A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243072A (en) * | 2019-06-04 | 2019-09-17 | 浙江银轮机械股份有限公司 | A kind of ptc heater |
| CN112721573A (en) * | 2020-12-31 | 2021-04-30 | 镇江海姆霍兹传热传动系统有限公司 | Electric vehicle, electric heating equipment and electric heating device thereof |
-
2017
- 2017-12-21 CN CN201711388595.2A patent/CN107985019A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243072A (en) * | 2019-06-04 | 2019-09-17 | 浙江银轮机械股份有限公司 | A kind of ptc heater |
| CN112721573A (en) * | 2020-12-31 | 2021-04-30 | 镇江海姆霍兹传热传动系统有限公司 | Electric vehicle, electric heating equipment and electric heating device thereof |
| CN112721573B (en) * | 2020-12-31 | 2022-05-31 | 镇江海姆霍兹传热传动系统有限公司 | Electric vehicle, electric heating equipment and electric heating device thereof |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180504 |